Geometry: Trigonometry
10 lessons, in the order they are taught. Part of the Year 9 Maths curriculum.
What this topic covers
- 1Checking and securing understanding of Pythagoras' theorem
- 2Checking and securing understanding of similar triangles
- 3Choosing an appropriate method for finding lengths of a triangle
- 4Choosing the right trigonometric ratio
- 5Problem solving with trigonometry
- 6Scaling the right-angled triangle from the unit circle
- 7Sine and cosine ratios
- 8Tangent ratio
- 9The unit circle
- 10Using the cosine ratio
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